Juniper MX480, Руководство по оборудованию, Страница: 175 / 420

Table 94: Four-Post Rack or Cabinet Mounting Hole Locations (continued)
Mounting Shelf Distance Above U Division Hole
X 0.14 U 0.25 in. (0.6 cm) 1
To install the mounting shelf on the front rails of a four-post rack or cabinet, or the rails
of an open-frame rack:
1.
If needed, install cage nuts in the holes specified in Table 94 on page 174 .
2.
On the back of each rack rail, partially insert a mounting screw into the lowest hole
specified in
Table 94 on page 174 .
3.
Install the small shelf on the back of the rack rails. Rest the bottom slot of each flange
on a mounting screw.
4.
Partially insert the remaining screws into the open holes in each flange of the small
shelf (see
Figure 46 on page 176 or Figure 47 on page 177 ).
5.
Tighten all the screws completely.
175 Copyright © 2019, Juniper Networks, Inc.
Chapter 3: Initial Installation and Configuration